'I never heard his feet behind me--he always walked like a cat--but his arm slid round my neck, pulling me back where I sat, till my head lay on his chest, and his left hand held the knife plumb over my heart--Benedetto! Even so I laughed--the fit was beyond my holding--laughed while he ground his teeth in my ear. He was stark crazed for the time.
This is from "Rewards and Fairies" by Kipling.(The Wrong Thing) http://pinkmonkey.com/dl/library1/digi300.pdf
I can't understand what "the fit was beyond my holding" means.
Does it mean like this? "his excitement was beyond my expectation"
I am glad if somebody kindly teach me.